China banned the import of Illumina Inc. gene-sequencing machines as part of a wave of retaliatory trade measures in response to the US doubling tariffs on all Chinese goods.

Illumina has been barred from exporting its DNA sequencers to China ... the reagents or consumables necessary to run the sequencing machines. “Illumina will continue to serve our customers ...

In a wide-ranging interview, Roche Group CEO Severin Schwan discusses his company's bid for Illumina, the future of gene-sequencing technology and what concerns him most about Europe's debt crisis.